APPENDIX F - GLOSSARY
EATON
PXG600E User Manual • IM02603003E
Rev 5, 11-May-2012 • Firmware Version 5.03:3835
236
Power Xpert Software:
Eaton Enterprise software package that provides
monitoring and analysis for Eaton and 3rd party electrical products and
systems.
Power Factor:
A ratio of fundamental (50/60Hz) active power to apparent
power (fundamental watts to fundamental volt-amperes).
Power Factor, Apparent:
The ratio of the active power of the total RMS, in
watts, to the apparent power of the total RMS, in volt-amperes. This is also
know as True Power Factor.
Power Factor, Displacement:
The ratio of the active power of the
fundamental wave, in watts, to the apparent power of the fundamental
wave, in volt-amperes.
Power Quality:
The concept of powering and grounding electronic
equipment in a manner that is suitable to the operation of the equipment
and compatible with the premise wiring system and other connected
equipment.
PowerNet:
Eaton software that monitors, analyzes and operates facility
electrical systems.
Protocol:
An agreed-upon format for transmitting data between two devices.
The protocol determines the following:
•
The type of error checking to be used
•
Data compression method (if any)
•
How the sending device will indicate that it has finished sending a
message
•
How the receiving device will indicate that it has received a message
QCPort:
Eaton proprietary communication protocol.
Reactive Power:
For sinusoidal quantities in a two-wire circuit, reactive
power is the product of the voltage, the current, and the sine of the phase
angle between them. For non-sinusoidal quantities, it is the sum of all
harmonic components, each determined as above. In a polyphase circuit, it
is the sum of the reactive powers of the individual phases.
RJ45 (RJ-45):
An eight-pin modular telephone plug. Also called a
programmable connection, an RJ-45 plug is generally used on four-wire
circuits, but can be used on eight-wire circuits such as Ethernet (Ethernet
and Timing).
SMTP Mail Service:
Simple Mail Transfer Protocol (SMTP) is the de facto
standard for e-mail transmissions across the Internet.
SNMP:
Simple Network Management Protocol (SNMP) forms part of the
internet protocol suite as defined by the Internet Engineering Task Force
(IETF). SNMP is used by network management systems to monitor network-
attached devices for conditions that warrant administrative attention. It
consists of a set of standards for network management, including an
application layer protocol, a database schema, and a set of data objects.
SNTP:
A Simple Network Time Protocol (SNTP) is a less complex form of
NTP that does not require storing information about previous
communications. It is used in some embedded devices and in applications
where high accuracy timing is not required.
